Best 4-player online co-op games

Online co-op games on Steam with room for 4 players, going by the player count on each game's store page. Games that don't say how many can play aren't included.

Showing 121–130 of 3,108 games matching 4 players, best rated first · updated 13 Oct 2026

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Core Keeper

✓ Deck Verified
−40%
$$
Released
Price
$$ · Standard · On sale −40% until 22 Oct
Players
👥 Up to 8 players
Reviews
92% of 50,436

Explore a vast cavern of creatures, relics and resources in a mining sandbox adventure for 1-8 players. Mine, build, fight, craft and farm to unravel the mystery of the ancient Core.

If you loved these, you'll love this

Super Animal Royale

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
92% of 44,724

Welcome to the coziest way to kill your friends. Super Animal Royale is a 64-player, top-down 2D battle royale where adorably murderous animals fight tooth, claw, and machine gun. Then, relax in Super Animal World with fishing, hamsterball races, and story quests before the next fight to the death.

If you loved these, you'll love this

Trailmakers

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 2–8 players
Reviews
92% of 34,172

Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.

If you loved these, you'll love this

Dome Keeper

✓ Deck VerifiedCrossplay
−75%
$$
Released
Price
$$ · Standard · On sale −75% until 24 Oct
Players
👥 Up to 4 players
Reviews
92% of 19,095

Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!

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Cryptid Farm

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 16 players
Reviews
96% of 153

Cultivate a thriving farm to survive in this peaceful horror farming game! Play online with up to 16 players in the same lobby. Work together with your fellow farmers to repair your tractor and escape the farm, try not to fall victim to the eerie and mysterious creatures that lurk nearby.

If you loved these, you'll love this

Streets of Rage 4

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
92% of 17,352

Amongst the best beat’em up series ever created, jammin’ ‘90s beats and over the top street fighting, the iconic series Streets of Rage comes back with a masterful tribute to and revitalization of the classic action fans adore.

If you loved these, you'll love this

KILL IT WITH FIRE! 2

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
93% of 1,446

KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.

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Knights Within

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
95% of 249

Knights Within is a hack&slash horde shooter with roguelite elements. Design custom loadouts, navigate procedurally generated levels and utilize random power-ups. Either solo or with friends, can you survive endless waves of enemies to ensure humanity's survival?

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